<!DOCTYPE html>
<html lang="en"  xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


<div th:insert="fragment/demo :: copy"></div>

<div th:replace="fragment/demo :: copy"></div>

<div th:include="fragment/demo :: copy"></div>

</body>
</html>